134433420 has 72 divisors (see below), whose sum is σ = 413766192. Its totient is φ = 32588160.

The previous prime is 134433419. The next prime is 134433421. The reversal of 134433420 is 24334431.

It is an interprime number because it is at equal distance from previous prime (134433419) and next prime (134433421).

It is not an unprimeable number, because it can be changed into a prime (134433421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1999 + ... + 16518.

Almost surely, 2^134433420 is an apocalyptic number.

134433420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134433420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206883096).

134433420 is an abundant number, since it is smaller than the sum of its proper divisors (279332772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134433420 is a wasteful number, since it uses less digits than its factorization.

134433420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18551 (or 18538 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 134433420 is about 11594.5426817965. The cubic root of 134433420 is about 512.2741197736.

Adding to 134433420 its reverse (24334431), we get a palindrome (158767851).

The spelling of 134433420 in words is "one hundred thirty-four million, four hundred thirty-three thousand, four hundred twenty".